Table 1 Age and sex of participants in the different phases of the study
| Â | n | Age: (DE) | Boys (%)/Girls (%) |
|---|---|---|---|
Processing step (focus groups) | 13 | — | — |
Comprehensibility analysis | 67 | 14.31 (0.97) | 55.0Â %/45.0Â % |
Validation phase | 396 | 15.38 (1.58) | 54.4Â %/45.6Â % |